// Copyright 2017 Thomas Schöps
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

#pragma once

#include <string>
#include <vector>

#include <Eigen/Core>

// Holds information about a mesh and its pose as given by a MeshLab project
// file.
struct MeshLabProjectMeshInfo {
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW

  // Mesh-to-global transformation matrix.
  Eigen::Matrix4f global_T_mesh;
  
  // Mesh label.
  std::string label;
  
  // Mesh filename (relative to the project file).
  std::string filename;
};

typedef std::vector<MeshLabProjectMeshInfo,Eigen::aligned_allocator<MeshLabProjectMeshInfo>> MeshLabMeshInfoVector;

// Loads MeshLabProjectMeshInfo from a MeshLab project file into the meshes
// vector. Only reads the first MeshGroup. Returns true if successful.
bool ReadMeshLabProject(const std::string& project_file_path,
                        MeshLabMeshInfoVector* meshes);
